Sicis Product Installation by Spadon Tegelprojecten

Laying operations

LAYING OPERATIONS

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Laying operations

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Laying operations This manual aims to provide useful information for the correct installation of glass mosaics (Natural, Colibrì and Neo Colibrì, Glimmer, Murano, Firefly, WaterGlass, Iridium, Structura, Diamond, Antigua, Pluma, Metallismo, Mirage) and of marble mosaics, marble, stone or onyx slabs of the SICIS SiciStone programme.

PRELIMINARY CHECK OF THE SUBSTRATE Prior to laying, perform the checks of the following features that the supports must have. Flatness A fundamental requirement of the supports is the flatness. In the case of marble slabs with a minimum thickness of 10 mm, the tolerance measured with straight edge of 2 meters in length is ± 3 mm, while for glass mosaics, characterised by a thickness of 4 mm, it must not exceed ± 1.5 mm. Small irregularities can be corrected using the adhesive itself for levelling, while more obvious irregularities (> 5 mm) must be restored through the use of suitable cement-based levelling compounds produced by Litokol SpA such as: Litoliv Extra 15: (self-levelling cement with rapid drying and setting, free of shrinkage for thicknesses from 1 to 15 mm, with low emission of volatile organic compounds (EMICODE EC1PLUS), of class CT 30F7 according to UNI EN 13813. Litoliv S40 Eco /Litoliv Express: self-levelling cement-based rapid hardening and drying, free of shrinkage for thicknesses from 30 to 40 mm thick, fibre-reinforced, very low emission of volatile organic compounds (Emicode EC1 PLUS ), of class CT C20F5 according to UNI EN 13813. Litoplan Rapid: cement-based thixotropic levelling with ultra rapid drying and setting for vertical and horizontal applications in thicknesses from 1 to 25 mm, with very low emission of volatile organic compounds (EC1 EmicodePLUS), of class CT C35F10 according to UNI EN 13813. Litoplan Smart: cement-based thixotropic levelling with ultra rapid drying and setting for vertical and horizontal applications both for indoor and outdoor use in thicknesses from 1 to 25 mm, with very low emission of volatile organic compounds (Emicode EC1PLUS), of class CT C16F5 according to UNI EN 13813. Aging and maximum moisture allowed Whatever the nature of the supports, their aging cycle must be complete so that they are dimensionally stable and not subject to shrinkage after the laying of tiles or slabs. In the case of traditional cement-based screeds, aging can vary according to the season, ranging from 7 to 10 days per centimetre of thickness. Shorter waiting times are attainable using in place of common Portland cement, special normal and rapid drying hydraulic binding materials such as Litocem or Litocem Pronto (premixed cement-based mortar ready for use at normal setting, fast drying and controlled shrinkage for the realisation of screeds in interior and exterior use, with very low emission of volatile organic compounds (Emicode EC1PLUS), of class CT C30F6 class according to UNI EN 13813) that permits the laying of glass mosaics after 24 hours and natural stone slabs after 3 days. For these types of supports, the maximum moisture content allowed should not exceed 3%. Aging lasts at least 6 months in the case of concrete surfaces. Gypsum-based substrates, such as anhydrite-based screeds or gypsum plasters, must reach a maximum residual moisture of 0.5%. For cement-based pre-mixed plasters, it is recommended to follow the supplier's recommendations concerning aging and mechanical strength.

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Laying operations Cleaning Substrates must always be clean, free of loose fragments, paint, wax, grease, oil or anything else that can affect the correct adhesion of the product. Concrete substrates must be cleared of release agent residues. A previous cleaning with hot water pressure washer or by sandblasting is always recommended. Existing ceramic surfaces must be thoroughly degreased with alkaline detergents or with a caustic soda water solution. Alternatively it is possible to sand the surface with 60-80 grain abrasive sandpaper and vacuum up the dust. Mechanical strength In flooring, the substrates must have adequate mechanical compressive strength in relation to the intended destination area. By way of example, a cement-based screed in an internal residential building must have a minimum compressive strength of at least 16 N/mm2 or 20 N/mm2 in the case of heating floors, while a cementbased or gypsum-based plaster applied on an indoor wall should have an adhesive strength of at least 0.5-0.7 N/mm2. In the case of laying on an outdoor faรงade plaster, ensure that the plaster is suitable for the tiles or natural stone slabs (characterised by a high weight) and therefore has an adhesion value to support at least 1 N/mm2. In order to ensure a good degree of adhesion, the substrates must be strong enough and have a nonpowdery surface. To improve this feature, appropriate consolidating primers in aqueous solution such as Primer C can be used, which is compatible with any cement-based adhesive. Preparation of the substrate for laying mosaics In the case of laying of transparent glass mosaics, a prior levelling of the substrate will be required by using a white cement-based adhesive such as Litoplus K55 in order to homogenise the colour and to avoid altering the colour of the mosaic. In the case of substrates that are particularly smooth, poorly absorbent or subject to vibrations and dilations, we recommend mixing Litoplus K55 with Latexkol diluted 1:1 with water so as to further improve adhesion. The subsequent laying of mosaics can be performed after full hardening of the levelling layer in about 24 hours depending on the environmental temperature. Before proceeding with the laying, we recommend that you trace lines on the surface to be covered to help the correct alignment of the sheets. At this stage, squares and level detectors and laser instruments can be useful. After distribution on the floor, measure the total of 3 sheets, set in such a way that the distance between the sheets is the same as that between tiles. Transfer this measurement to the surface to be covered, both horizontally and vertically, in order to trace a grid with the straight edge and a lattice level. The wall will be divided into several squares, each of which corresponds to nine sheets of mosaic. If the mosaic represents a drawing or has to follow a particular composition, follow the laying instructions provided. Even in the case of mosaics with tiles that do not have a square shape and therefore irregular edges on the sheet, it is important to make sure that the distance between one sheet and the other is equal to that between the individual tiles, so that all the joints are identical. Preparation of the substrate for laying the marble slabs In this paragraph, the solutions to adopt for the creation of cement substrates to cover with the laying of stone materials are indicated so as to avoid the formation of stains and the appearance of efflorescence. Despite the possibility of stains on almost all stone materials, this possibility is greater in the case of white carrara-type marble, thassos, onyx, etc. This problem is due to the presence of iron minerals in the stone material which, transferred toward the surface by water contained in the adhesive or in the substrate and subsequently reacting

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Laying operations with oxygen and light, cause the appearance of stains that undermine the surface aesthetics. Possible solutions to prevent these phenomena are: - In the case of laying on floors, provide for a vapour barrier before creating the screed in order to prevent the rise of water by capillarity. - Observe the aging time of the plaster or the screed or check that the maximum content of moisture (measured with carbide hygrometer) does not exceed 3% in the case of a screed or cement plaster and 0.5% for anhydrite screeds or plaster-based gypsum. Binding materials for the quick-drying of screeds can be used which allow laying already after 3 days of aging such as Litocem or Litocem Pronto of Litokol S.p.A. - In the case of regularisation of the support, use rapid levelling or self-levelling mortars such as Litoliv Extra 15, Litoliv S40 Eco, Litoliv Express, Litoplan Smart or Litorapid. - For the laying of marble slabs subject to possible stains, use rapid drying or white reactive cement-based adhesives such as LitostoneE K99 and Litoelastic produced by Litokol S.p.A.

CHOOSING THE ADHESIVE In the following synoptic charts, it is possible to identify suitable adhesives for the laying of various types of mosaics and marble slabs based on the support, the size of the slabs and the intended use. Generally, white adhesives, possibly with zero vertical slip, are preferred in the case of laying on walls. The white colour of the adhesive is absolutely necessary for transparent glass mosaics and white marble or onyx in order to avoid unwanted shades of colour on the finished surface. A special note must be given to the epoxy mortar Starlike ÂŽ, which can be used both as an adhesive and as grouting mortar for the joints on vitreous mosaics. There are many benefits associated with this product but especially in the case of very thin glass mosaics; the possibility of using the same product both as an adhesive and grout allows using any colour without the risk of interferences between the grouting colour and the adhesive used for the laying.

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Laying operations CHART FOR THE CHOICE OF SICIS ADHESIVES FOR MOSAICS SICIS COLLECTION

Separated cement-based or seasoned floating screeds Dry anhydrite screeds, sanded and treated with Primer C Cement-based screeds heated after the pre-heating cycle

OUTDOOR FLOORS

Structura

❸

❶❷❸❹

❸❹

❸

❶❷❸❹

❶❷❸

❸❹

❸

❶❷❸

Smoothed concrete slabs

❶❷❸❹

❸❹

❸

❶❷❸❹

Wooden or metal panels

❸

Surfaces waterproofed with Hidroflex - Coverflex - Elastocem Aquamaster

❷❸❹

❸❹

❸

❷❸❹

Old existing tiling in ceramics or stone

❷❸❹

❸❹

❸

❷❸❹

Cement-based plasters

❶❷❸❹

❸❹

❸

❶❷❸❹

❹

Concrete

❶❷❸❹

❸❹

❸

❶❷❸❹

❹

Gypsum-based plaster treated with Primer C

❶❷❸❹

❸❹

❸

❶❷❸❹

❹

Drywall

❶❷❸❹

❸❹

❸

❶❷❸❹

❹

❸

Wooden or metal panels Plexiglass, polycarbonate, glass, crystal panel

Surfaces waterproofed with Hidroflex - Coverflex - Elastocem Aquamaster Old existing tiling in ceramics or stone Separated cement-based or seasoned floating screeds

❺

Only with transparent mosaics on paper

Laying not recommended

❷❸❹

❸❹

❸

❷❸❹

❹

❷❸❹

❸❹

❸

❷❸❹

❹

❷❸❹

❸❹

❸

❷❸❹

❹

Laying not recommended

❷❸

Seasoned concrete structures

Laying not recommended

❷❸

Old existing tiles in ceramics or stone

Laying not recommended

❸

Surfaces waterproofed with Coverflex - Elastocem - Aquamaster Cement-based plaster on seasoned walling Poured concrete or seasoned prefabricated

Laying not recommended

❷❸

Bathrooms, shower cubicles Reinforced concrete swimming pools waterproofed with Elastocem Coverflex - Aquamaster* Hammam with substrates made of waterproof extruded polystyrene panels

Laying not recommended

❸❹

❷❸

❸

❷❸

❸

❷❸

Laying not recommended

Existing old ceramic or stone tiling

WET AREAS

Metallismo**, Artistic

❶❷❸❹

Preformed panels in polystyrene

OUTDOOR WALLS

Glimmer, Waterglass, Neoglass, Firefly and Colour List 1.

Murano, Iridium, Natural, Basic, Pluma, Antigua, Petite Fleures, Diamond (Colour List 3)

Laying not recommended

INDOOR WALLS

INDOOR FLOORS

SUPPORTS

Colibrì, ColibriTide, Neocolibrì, Mirage, Fiber Thin and Colour List 2

❸

❸❹

❸

❷❸❹

❸

❸❹

❸

❷❸❹

❸

❸❹

❸

❷❸❹

Laying not recommended

* In the case of installing mosaics on mesh in swimming pools, the use of Litoelastic or Starlike® will be required. ** We do not recommend grouting with Starlike® Crystal for Gilt finish of the Metallismo collection. For this finishing of the Metallismo collection, Starlike® offers a wide range of coloured products suitable for enhancing the product purchased. We always recommend a preliminary test. Consult the SICIS technical department in the case of application of the Gilt finishing in wet areas.

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Laying operations COLOUR LIST 1: Azalea 2 (Iridium), Daffodil (Iridium), Anversa (Diamond), Tavernier (Diamond) COLOUR LIST 2: Petite Fleures: Anis, Mimosa, Sauco, Ortensia, Edelweiss, Tacca, Lys, Astromelia, Nenufar, Mandorla, Cannella, Girofle, Stapelia. Firefly: Argentina, Eldorado, Patagonia, Tibet Diamond: Agora, Allnatt, Barite, Basin, Baroda, Brillante, Buvango, Caesium, Cempaka, Citrine, Cullinam, Dresden, Edcora, Fuxian, Gerais, Golconda, Guaniamo, Gypsum, Hope, Iolite, Jubilee, Kimberlite, Malenite, Mandalay, Martian, Mavinga, Mazaru, Murowa, Nanorod, Nassak, Nizam, Nunavut, Olivina, Orapa, Orlov, Palladium, Paragon, Princess, Regent, Rodolite, Scotia, Shandon, Solitario, Surat, Tormalina, Trisakti, Umbo COLOUR LIST 3: Diamond: Argyle, Excelsior, Excelsior Sat, Kohinoor, Mohs, Mohs Sat, Mouma, Natrolite, Sancy, Shah, Shah Sat , Zirconio, Zirconio Sat.

Key ❶

Litoplus K55 + 32% Acqua

C2TE

❷

Litoplus K55 + 32% Latexkol diluted 1:1 with water

❸

Litoelastic

R2T

❹

Starlike®

R2T

❺

transparent silicone- neutral type Dowcorning 794F

C2TE-S1

cement-based super-white high-performance adhesive (C2) no vertical slip (T) and extended open time (E) cement-based super-white high-performance adhesive (C2) no vertical slip (T) and extended open time (E) deformable (S1) reactive super-white high-performance adhesive (R2) no vertical slip (T) completely white high-performance adhesive (R2) with no vertical slip (T) transparent single-component sealer with neutral curing

Warnings for installation of the SICIS Colibrì, Colibì Tide, Neo Colibrì, Colour List 2, Mirage and all the compositions that include even partially what belongs in this category of products. 1. All the mosaics in this collection must be laid and grouted exclusively with two component epoxy or epoxypolyurethane products regardless of the type of support and intended use. 2. Before installation ensure that the moisture percentage of the support does not exceed 3 % (measured with carbide hygrometer). The drying times of rapid levelling (24 h) may not be sufficient in particular conditions of temperature and humidity. 3. Before grouting, make sure that the joints are perfectly dry. 4. Strongly acidic and basic environments can compromise the aesthetics of the product. 5. Saturated solutions of calcium hydroxide whose formation depends on the accidental infiltrations of water that are absorbed by the cement-based supports, can alter the colour of the mosaic. 6. When waterproofing is proposed, it is recommended to glue the mosaic directly on the waterproofing membrane (once its aging has been completed). We do not recommend laying on a subsequent layer of cementbased levelling plaster. 7. We recommend laying within 12 weeks of receipt of the material. 8. For the installation in wet areas, please consult the SICIS Technical Office preventively. Notes and instructions for the installation of the BLEND Collection (and mixtures in general) In order to give more variety and richness to our blends or pixel decoration proposals, we have also combined, besides Gold and Platinum, colours from the various other collections, regardless the differences in thickness(3-4 mm) among the materials. For this reason these products are delivered mounted on paper to be removed after installation. The paper sheet supports allow to compensate the thickness difference by using a slightly higher amount of adhesive. In case the blend is composed by colours in “Tide” finish (like Golden Tide, Platinum Tide and the Colibrì collection colours in the Tide version) the difference in thickness must be accepted since they are part of the characteristics of these products. It is anyway clear that floor installation of this type of material is not suggested since any small imperfection in planarity does not allow a perfect flat installation of the overall surface.

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Laying operations This same rule applies to blends and pixelated customised decorations or designs proposed by client. Instructions for laying the STRUCTURA collection For laying it is recommended to use the StarlikeÂŽ epoxy mortar in harmony with the chosen mosaic so that any adhesive escaping from the gaps does not interfere with the colour of the mosaic. Recommended spatula: 3.5 x 3.5 mm. In certain special cases it is necessary to use the bi-component Litoelastic adhesive (see adhesive choice chart). In view of the three-dimensional structure of the collection it is recommended to carry out a thorough analysis of the following points in the design stage. 1. Grouting: not recommended 2. Laying: it must be done in order to assure adhesion of all elements of the mosaic including those with lower thickness. Sicis and Litokol shall not be liable for any damage arising from incorrect laying.

Structura collection

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Laying operations CHART FOR THE CHOICE OF ADHESIVES FOR SICIS MARBLE MOSAICS TYPES OF INSTALLATION Fibreglass or paper mesh on the back

SEPARATE CEMENT-BASED OR SEASONED FLOATING SCREEDS

❹

❶❷❸❹

DRY, SANDED DOWN ANHYDRITE SCREEDS TREATED WITH PRIMER C

❹

❶❷❸❹

CEMENT-BASED HEATED SCREEDS HEATING AFTER THE PRE-HEATING CYCLE

❹

❶❷❸❹

SMOOTHED CONCRETE SLABS

❹

❶❷❸❹

WOODEN OR METAL PANELS

❹

SEALED SURFACES WITH HIDROFLEX - COVERFLEX - ELASTOCEMAQUAMASTER

❹

❶❷❸❹

EXISTING OLD CERAMIC OR STONE TILING

❹

❶❷❸❹

CEMENT-BASED PLASTERS

❹

❶❷❸❹

POURED CONCRETE

❹

❶❷❸❹

GYPSUM-BASED PLASTERS TREATED WITH PRIMER C

❹

❶❷❸❹

DRYWALL

❹

❶❷❸❹

WOODEN OR METAL PANELS

❹

PREFORMED PANELS IN POLYSTYRENE

❹

❶❷❸❹

SEALED SURFACES WITH HIDROFLEX - COVERFLEX - ELASTOCEMAQUAMASTER

❹

❶❷❸❹

EXISTING OLD CERAMIC OR STONE TILING

❹

❶❷❸❹

SEPARATE CEMENT-BASED OR SEASONED FLOATING SCREEDS

❹

❶❷❸❹

SEASONED CONCRETE STRUCTURES

❹

❶❷❸❹

EXISTING OLD CERAMIC OR STONE TILING

❹

❷❸❹

SEALED SURFACES WITH COVERFLEX - ELASTOCEM - AQUAMASTER

❹

❶❷❸❹

CEMENT-BASED PLASTER ON SEASONED WALLING

❹

❶❷❸❹

CAST OR PREFORMED SEASONED CONCRETE

❹

❷❸❹

EXISTING OLD CERAMIC OR STONE TILING

Laying not recommended

BATHROOMS, SHOWER CUBICLE

❹

❷❸❹

❹

INDOOR FLOORS WALL COVERING INDOOR INDOOR FLOORS OUTDOOR WALLS

WET AREAS

REINFORCED CONCRETE SWIMMING POOLS WATERPROOFED WITH ELASTOCEM - COVERFLEX- AQUAMASTER* HAMMAM WITH SUPPORT MADE OF WATERPROOF EXTRUDED POLYSTYRENE PANELS

SEE WARNINGS

Fibreglass mat on the back and transparent film on the front

SUPPORTS

* In the case of laying marble mosaic installed on mesh in swimming pools, the use of Litoelastic is required. * For white marble/onyx or other materials subject to staining, use Litostone K99 or Litoelastic. * When ordering, specify if the intended use of the marble mosaic is for moist environments (swimming pools, bathtubs, Turkish baths, etc).

Key ❶ ❷

Litoplus K55 Superflex K77 white

C2TE C2TE-S1

❸

Litostone K99

C2FE

❹

Litoelastic

R2T

high-performance (C2) cement-based adhesive with no vertical slip (T) and extended setting time (E) completely white high-performance cement-based adhesive (C2) with no vertical slip (T) extended setting time (E) and deformable (S1) completely white high-performance rapid (F) cement-based adhesive (C2) and extended setting time (E) completely white high-performance adhesive (R2) with no vertical slip (T)

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Laying operations CHART FOR THE CHOICE OF ADHESIVES FOR SICIS MARBLE SLABS COSMATI – SICISTONE – THE MARBLE

SUPPORTS

LONG SIDE

INDOOR FLOORS

≤ 60 cm

❶❷❸❹

CEMENT-BASED HEATED SCREEDS HEATING AFTER THE PRE-HEATING CYCLE

❶❷❸❹

❷❸❹

❸❹

❹

double coating

❷❸❹

SMOOTHED CONCRETE SLABS

WOODEN OR METAL PANELS PREFORMED PANELS IN POLYSTYRENE SEALED SURFACES WITH HIDROFLEX - COVERFLEX - ELASTOCEM AQUAMASTER

SEPARATE CEMENT-BASED OR SEASONED FLOATING SCREEDS SEASONED CONCRETE STRUCTURES EXISTING OLD CERAMIC OR STONE TILING SEALED SURFACES WITH COVERFLEX - ELASTOCEM - AQUAMASTER CEMENT-BASED PLASTER ON SEASONED WALLING CAST OR PREFORMED SEASONED CONCRETE

❸❹

❹

double coating

❹

double coating

❷❸❹

❸❹

❹

double coating

❷❸❹

❸❹

❹

double coating

❷❸❹

❸❹

❹

double coating

❷❸❹

❸❹

❹

double coating

❷❸❹

❸❹

❹

double coating

❶❷❸❹

❷❸❹

❸❹

❹

double coating

❹

double coating

❷❸❹

❹

double coating

❶❷❸❹

EXISTING OLD CERAMIC OR STONE TILING

❷❸❹ double coating

❹

❶❷❸❹

DRYWALL

❹ double coating

double coating

❷❸❹

GYPSUM-BASED PLASTERS TREATED WITH PRIMER C

❸❹ double coating

❹

❶❷❸❹

POURED CONCRETE

❷❸❹ double coating

double coating

❶❷❸❹

CEMENT-BASED PLASTERS

INDOOR WALLS

❹ double coating

DRY, SANDED DOWN ANHYDRITE SCREEDS TREATED WITH PRIMER C

EXISTING OLD CERAMIC OR STONE TILING

INDOOR FLOORS

❸❹ double coating

❶❷❸❹

SEALED SURFACES WITH HIDROFLEX - COVERFLEX - ELASTOCEM AQUAMASTER

OUTDOOR WALLS

❷❸❹ double coating

SEPARATE CEMENT-BASED OR SEASONED FLOATING SCREEDS

WOODEN OR METAL PANELS

❷❸❹

❹

double coating

❷❸❹

❹

double coating

❶❷❸❹

❷❸❹

❸❹

❹

double coating

❷❸❹

❸❹

❹

double coating

❷❸❹

❸❹

❹

double coating

❷❸❹

❸❹

❹

double coating

❷❸❹

❸❹

❹

double coating

❷❸❹

❸❹

❹

double coating

Laying not recommended

EXISTING OLD CERAMIC OR STONE TILING BATHROOMS, SHOWER CUBICLE WET AREAS

LONG SIDE > 60 cm

WHITE/ONYX MARBLES OR OTHER MATERIALS SUBJECT TO STAINING LONG SIDE LONG SIDE > 60 cm ≤ 60 cm

SEE WARNINGS

NON-STAINING MARBLES

REINFORCED CONCRETE SWIMMING POOLS WATERPROOFED WITH ELASTOCEM - COVERFLEX - AQUAMASTER HAMMAM WITH SUPPORT MADE OF WATERPROOF PREFORMED POLYSTYRENE PANELS

❷❸❹

❸❹

❹

double coating

❹

double coating

❹

double coating

Key ❶

Litoflex K80 white

❷

Superflex K77 white

❸ ❹

Litostone K99 Litoelastic

C2E C2TE-S1 C2FE R2T

high-performance cement-based adhesive (C2) and extended setting time (E) completely white high-performance cement-based adhesive (C2) with no vertical slip (T) extended setting time (E) and deformable (S1) completely white high-performance rapid (F) cement-based adhesive (C2) and extended setting time (E) completely white high-performance adhesive (R2) with no vertical slip (T)

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Laying operations Instructions for the laying of Sicistone with Icemir inserts and Colibrรฌ in general. Use only epoxy-polyurethane adhesives (Litoelastic). Warning for the laying of green marbles In the case of the laying of marble slabs, in addition to the factors described above regarding staining, you must pay particular attention to their dimensional stability. Some types of marble such as green marble (Antique Green, Bamboo Green, Olive, Verde, Verde Giada, Verde Lapponia, Verde Luna, Verda Namibia), may suffer heavy warping due to the absorption of water contained in the adhesive mix. For these types of marble, the choice of the adhesive must necessarily fall on two-component reactive adhesives such as LITOELASTIC which is free of water content, preventing the warping of the slab. Being such dimensional deformations also due to the geometry and the thickness of the slabs, it is difficult to consider all possible cases. In doubtful cases, therefore, it is recommended to consult our SICIS technical office beforehand for the definition of the most appropriate adhesives and laying techniques. Warning for laying of marble slabs on faรงades The laying of large and thick slabs on faรงades represents a high criticality type of laying. The different nature of the substrates (plaster or concrete), the expected thermal excursions that are more or less affective, the maximum height of the covering, the presence of seismic risk and the dimensional characteristics of the slabs make appropriate, in some cases, to carry out a mechanical fixing of the slabs coupled to a binding with adhesives. For these reasons, we recommend to consult our SICIS technical office beforehand if the projects involve the laying on faรงades. Instructions for the laying of marble slabs and mosaics on outdoor floors Even in this case, depending on the variety of marbles proposed by SICIS, combined with the dimensional variability, it is not possible to provide a precise indication for all cases. There are too many variables connected to outdoor flooring: the vastness of the surface to be covered, exposure to sunlight and weathering, thermal excursions expected depending on the geographic area, etc. For these reasons, the correct design of an outdoor natural stone flooring, including the disposal of any fractionation and expansion joints, must be performed with extreme caution with all elements previously described. It is therefore recommended to consult the SICIS technical office for further details. Instructions for the laying of marble slabs and mosaics in swimming pools For the installation of marble slabs and mosaics, you need to identify beforehand the specifications of each individual project. In particular, the type of pool structure (on-site concrete casting, prefabricated panels, steel pools, fibreglass pools, etc.), the location (underground, suspended pools, etc.), the type of disinfection system and the size are all necessary information to ensure a correct choice of the type of product and marble laying. The SICIS technical office is at your disposal to provide the best solutions.

LAYING OPERATIONS Once you have chosen the most suitable adhesive and prepared the mix according to the directions on the packaging and on the technical sheets, it is advisable to apply the adhesive mortar on the smooth edge of the spatula in order to even out the colour of the same support and soon after applying a further quantity of the

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Laying operations product using the 3.5 mm notched trowel in the case of vitreous mosaic or with bigger notches in the case of the marble slabs. In these cases, the teeth of the spatula are proportional to the size of the sheets and the must guarantee a covering of the adhesive of at least 80% in the case of indoor environments and 100% in outdoor environments on the back of the slab. In the case of large sizes, the double coating system is recommended. It is preferable not to cover areas that are too wide with the adhesive (about 1 m2) in order to prevent the formation of a film on the surface. In the case of transparent mosaics, traces of the adhesive must be eliminated (otherwise they will be visible due to the transparency of the mosaic) by using the smooth edge of the spatula being careful not to remove the adhesive. Even in the case of white marble slabs and onyx, it is important to ensure a "full bed" laying so as to avoid unpleasant imperfections due to the presence of gaps between the slab and the support. Apply the mosaic sheets by tapping the tiles with a rubber spatula to ensure a perfect adhesion, preventing air bubbles and preventing the adhesive from leaking into the joints between the tiles and leaving enough thickness for the subsequent grouting. If the adhesive is in excess and leaks out from the joints, it will be necessary to remove it before setting using a brush or brush with hard bristles. If a paper-mounted mosaic has been applied, the paper must be removed after approximately 24 hours or anyway after the adhesive is completely set. The paper, moistened with a sponge, can be easily removed after a few minutes by slowly pulling it diagonally and close to the wall. At this stage, we recommend cleaning the mosaic surface completely by washing away with clean water any residue of the paper adhesive that may interfere with the subsequent grouting. Warning Before grouting with StarlikeÂŽ, make sure that the joints are perfectly dry. Laying of glass mosaics on Plexiglas, polycarbonate, glass and crystal This laying technique can be carried out only in the case of transparent mosaic mounted on paper sheets. Taking advantage of the transparency of the support, you can obtain decorative effects and exclusive back-lit walls. Remove any transparent protective film from the support. Before the application, all supports must be thoroughly cleaned and degreased with specific detergents using a cloth that does not release fibres on the surface. Consider that any remaining dirt or material on the support will be visible when the laying work is completed due to the transparency of the mosaic. Apply transparent monocomponent sealer extruding it from the cartridge with a specific gun directly on the support, achieving "dots" spaced apart from each other for approximately 8-10 cm in both the horizontal and vertical direction for a surface not exceeding 60x90 cm. Spread the product with a 2 mm toothed trowel with triangular tooth (VVVV) and proceed in laying as shown earlier. For this process, it is essential to eliminate all air bubbles by thoroughly pressing the mosaic sheets. The removal of the paper sheet can be carried out after approximately 24 hours from the application, after full hardening of the single-component adhesive.

INSTALLATION IN WET ROOMS (BATHROOMS, SHOWER CUBICLES, POOLS, HAMMAM AND HOT WATER SPAS) We suggest to take an in-depth look at these types of works due to their typical critical issues. Below will then be given the main warnings for a correct pose. Transparent glass mosaics In case of installation in wet rooms (bathrooms, shower cubicles, pools, hammam and hot water spas) containing transparent glass tiles in mosaics belonging to the Glimmer, Waterglass, Neoglass, Firefly collections, only the

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Laying operations colours Azalea 2 and Daffodil (Iridium), only the colours Anversa and Tavernier (Diamond), we recommend gluing with Litoelastic (reactive epoxy-polyurethane white adhesive) and grouting with Starlike®epoxy mortar. Warning Since these mosaics are in transparent glass you will notice a different colour of the surface in the cases listed below:  The tiles are not pressed properly on the adhesive and there are some empty spaces between the support and the tiles (lack of full bed) which are perceived on the surface;  Imperfections of the grouting (lack of homogeneity or presence of even small holes) or formation of cracklings that are due to structural movements that cause infiltrations of water;  Any other alterations to the background such as for example: iron oxide stains (rust), saline efflorescence and yellowing of the adhesive for aging effect due to exposure to UV rays and/or exposure to heat.  Other alterations of the background for reasons not expressly listed here. In all the above cases, the change of colour perceived by the observer is not due to the alteration of the colour of the glass, but it is a consequence of the variation of the colour of the underlying layers to the mosaic, which are perceived on the surface. The use of cement-based adhesives, while meeting the required technical requirements of adhesion, could in time lead to alterations in the colour of the surface dates from the natural greater absorption of water by the cement adhesive with respect to the reactive adhesive Litoelastic. Swimming pools The application in swimming pools with reinforced concrete structures includes a number of preliminary checks and inspections of the same structure in order to ensure adequate durability. 1. The underground concrete structures must be waterproofed on the outer walls before covering the excavation in order to prevent negative water pressure that could have an impact on the inner surface. 2. The concrete structure requires an aging period of about 6 months to complete all hygrometric shrinkages and in order to be considered dimensionally stable. 3. It is necessary to perform a static test on the raw structure by filling it with water in order to accelerate the processes of structural adjustment and check its water-resistance against any losses that then can be solved properly. 4. The walls and floors inside the pool must be rectified with suitable polymer-modified cement mortars in order to regularise the laying surface avoiding the use of excessive amounts of adhesive that, in the case of thin glass mosaics, would make the application difficult if not impossible. 5. In order to ensure a total sealing of the pool, it will be necessary to apply suitable two-component cementbased waterproofing mortars before installation such as Elastocem or Coverflex or in dispersion such as Aquamaster. 6. Use recommended adhesives listed in the charts for installation using the techniques described in the previous paragraphs. 7. As for grouting, it is recommended the use of a two-component epoxy mortar such as Starlike® which ensures, thanks to its lack of absorption properties, high mechanical and chemical resistance, not to mention the long lasting durability if compared to any cement or urethane grout. The use of Starlike® epoxy mortar is mandatory in case of thermal spas or pools containing seawater.

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Laying operations Hammam The Hammam or Turkish bath is a wellness path saturated with humidity and temperatures ranging from low to high from +30° C to +60° C (calidarium). Usually, the structures within these rooms consist of prefabricated panels and shaped elements (sunbeds, benches, recesses, etc.) in extruded polystyrene coupled with a waterproofed surface where we directly place coating materials. In this case grout is exclusively with Starlike® epoxy mortar for excellent durability and but the best qualities of hygiene and maintainability.

GROUTING Before starting to grout the joints, it is necessary to ensure that the adhesive previously used is completely dry and hardened and that even the joints are perfectly dry. After checking this mechanically remove any adhesive that may have leaked into the joints. SICIS recommends using STARLIKE® epoxy mortar produced by Litokol S.p.A. for the grouting of its mosaics and marble slabs to guarantee the following advantages: ● Homogeneous and brilliant colour ● Wide colour range (132 finishings) ● Water absorption practically does not exist ● Ease of application and cleaning ● High final resistance of the grouting and therefore greater durability Carefully observe the directions provided in the product packaging and described below. Make sure the conditions of the work site are suitable for the application. If the grouting is applied on marble slab floors or tiles, even in large sizes, without pre-treatment, it is necessary to apply Starlike® epoxy mortar over the entire surface of the slabs in order to spread the resin, and avoid chromatic variations. Vice versa, in the case of slabs where surface treatment has been already done, Starlike ® epoxy mortar can be applied only along the joints. In the case of application of mosaics with Gray Bardiglio marble elements, grouting with an epoxy mortar causes a change on the surface (wet effect). Furthermore, Starlike® is particularly versatile and can be used in all applications such as: ● Indoor and outdoor floors and walls ● Bathrooms and showers cubicles ● Swimming pools, thermal baths, hammam and steam baths ● Kitchens ● Furnishing elements like doors, bar counters, etc. also in naval industry Starlike® Crystal Starlike® Crystal is designed for the grout of transparent and artistic vitreous mosaics. Its special formula based on aggregate made of glass beads allows the product applied in the joints to "absorb" the colour of the transparent glass tiles and then change accordingly to their colour. The best results are obtained laying on transparent supports such as Plexiglas, polycarbonate, glass and crystal, possibly back lit by a light source. Another potential use of Starlike® Crystal concerns the grouting of artistic mosaics or compositions made of mosaic tiles that, properly mixed and shaped, reproduce unique images rich in nuances and shades. If the grouting of these compositions is done with traditional coloured sealants, the appearance of the image represented is compromised, since the coloured grout creates a discontinuity between the tiles and the mosaic. Using Starlike® Crystal, due to its semi-transparency, the original shades of the composition are maintained, creating "neutral" colourless grout lines without interfering with the whole image. For all applications of thin mosaics with Starlike® Crystal we suggest the use of a 2 mm triangular toothed notched trowel (VVVV) to spread the white adhesive; this process will avoid any higher points of adhesive showing through the grout.

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Laying operations

Starlike® ColorCrystal Two-component acid resistant translucent epoxy mortar for the grouting of all types of glass mosaics with joints of up to 2 mm of width. With Starlike® ColorCrystal it is possible, after identifying the most suitable colour combination, to achieve “tone on tone” grouting even in the case of non-transparent mosaics, further enhancing the mosaic itself. For all applications of thin mosaics with Starlike® ColorCrystal we suggest the use of a 2 mm triangular toothed notched trowel (VVVV) to spread the white adhesive; this process will avoid any higher points of adhesive showing through the grout.

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Laying operations

STARLIKE® – APPLICATION PROCEDURES Application procedures of Starlike®

1 - Pour the catalyst contained in the small bucket onto part A (paste). Be sure to pour the entire content of the catalyst.

2 - Mix using an electric drill equipped with mixing paddle until a uniform, lump-free mix is obtained.

3 - Delicately pour the special finishes (optional) to get unique and exclusive effects. These additives are available in pre-batched packages for the 5 kg and 2.5 kg bucket.

4 - Pour the additive onto the mortar and mix slowly till a uniform mix is obtained.

5 - Apply Starlike as an adhesive directly on the support

6 - Apply Starlike mortar as sealant into the

with a 3.5 mm notched spatula.

joints using a rubber spatula.

7 - Make a first cleaning of the surface when the grout is still wet with water by using white felt.

8 - Finish immediately after grouting with a sweepex sponge and water.

9 - Stains or residues of transparent product can be removed from the grouted surface after 24 hours using the specific cleansers Litonet. Spread Litonet on the surface using white felt, eliminating any transparent marks.

10 - To clean the walls, use Litonet Gel.

11 - Rinse with clean water to remove any remaining detergent.

12 - Dry with a clean and dry cloth and do not wait for the evaporation of the rinse water.

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Laying operations TABLE OF CONSUMPTION The following tables provide the consumption indications of the products for SICIS mosaics installations. Adhesive consumption for mosaics ADHESIVES

2 mm SPATULA

3.5 mm SPATULA

1.8 kg/cm

LEVELLING

LITOPLUS K55

1.2 kg/cm

LITOELASTIC

1.1 kg/cm2

1.8 kg/cm2

STARLIKE®

1.1 kg/cm2

1.6 kg/cm2

NEUTRAL SILICONE

0.75 m2 per 310 ml cartridge

2 kg/m2 /1 mm

Adhesive consumption for marble slabs ADHESIVES

8 mm SPATULA

10 mm SPATULA

DOUBLE COATING

LITOFLEX K80

3.5 kg/cm2

4 kg/cm2

5-6 kg/m2

SUPERFLEX K77

3 kg/cm2

3.5 kg/cm2

5-5.5 kg/m2

LITOSTONE K99

3.5 kg/cm2

4 kg/cm2

5-6 kg/m2

LITOELASTIC

3 kg/cm2

3.5 kg/cm2

5-5.5 kg/m2

Grout consumption for mosaics MOSAIC SIZES 10X10 mm 15X15 mm

CUBES 23X23 mm

ROUND BARRELS

OVAL DOMES

ARTISTIC MOSAICS DIAMOND SNAKE

THICKNESS 4 mm 4 mm 6 mm 8 mm 10 mm 4 mm 6 mm 8 mm 4 mm 6 mm 8 mm 4 mm 6 mm 8 mm 4 mm 6 mm 8 mm 10 mm 4 mm 4 mm

STARLIKE® 1.4 kg/cm2 1.2 kg/cm2 1.8 kg/cm2 2.4 kg/cm2 2.7 kg/cm2 0.85 kg/cm2 1.3 kg/cm2 1.7 kg/cm2 1.15 kg/cm2 1.7 kg/cm2 2.3 kg/cm2 0.95 kg/cm2 1.4 kg/cm2 1.9 kg/cm2 0.9 kg/cm2 1.35 kg/cm2 1.8 kg/cm2 2.25 kg/cm2 1.5 kg/cm2 0.4 kg/m2

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Laying operations Adhesive consumption for marble slabs Due to the wide range of sizes proposed by SICIS, the consumption of StarlikeÂŽ epoxy mortar used for grouting can be calculated using the following formula:

(A+B) (AXB)

X 1,55

= kg/m

A = slab length (in mm) B = slab width (in mm) C = slab thickness (in mm) D = joint width (in mm) 1.55 = specific weight of StarlikeÂŽ Once you have determined the consumption of products, it is recommended to increase the quantity of about 200 g/m 2 considering eventual waste during the application process.

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Laying operations

All instructions contained in this document are given in good faith and on the basis of extensive research conducted by SISIC and Litokol in their respective laboratories. However, because conditions and methods of use are beyond our control, this guideline must not be intended as a substitution of necessary preliminary tests, it is crucial to ensure that all the materials are suitable and specifically required for the final singular application. SICIS and Litokol do not accept responsibility for the results obtained using methods beyond our control. It is the responsibility of the final user to determine the proper suitability of materials for the desired application and to adopt all precautions for the safety of property and persons against any hazards that may be associated with the use of the product. We strongly recommend that each user carries out his own application test before final use. These guidelines shall not be taken as an incitement to infringe any rights under patent protection. All information contained in this document is subject to change without prior notice. Tests were conducted on materials produced and preserved in good condition and free from defects of any kind caused by an unsuitable transport and storage.

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Laying operations

SICIS ITALY Via Canala, 85 48100 Ravenna Tel +39 0544 46971 Fax +39 0544 469811 www.sicis.com

Document review No. 8 â&#x20AC;&#x201C; December 2016